Printing telegraph automatic switching system



146 Sheets-Sheet 1 F'. E. CROWSON ETAL PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed Sept. 1l. 1958 April 4, 1961 vRk APK 4, 1961 F. B. cRowsoN ErAL 2,978,534

PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed Sept. 11, 1958 146 Sheets-Shea?l 2 F. B. CROWSON /A/VE/VTGRS G. A. LOCKE 5y l?. l?. MACLUGHL/N ATTORNEY 146 Sheets-Sheet 3 April 4, 1961 F. B. cRowsoN ETAL PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed Sept. 11, 1958 A TTORNEV 146 Sheets-Sheet 4 F. B. CROWSON ETAL April 4, 1961 PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed Sept. 11. 1958 ATTO El/ April 4, 1961 F. B. cRowsoN ETAL 2,978,534

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146 Sheets-Sheet 6 F. B. CROWSON ETAL PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM April 4, 1961 Filed Sept. 11. 1958 146 Sheets-Sheet 7 F. B. CROWSON ETAL PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed Sept. 11. 1958 April 4, 1961 April 4, 1961 F. B. cRowsoN ETAL 2,978,534

PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed Sept. 11, 1958 146 Sheets-Sheet 8 E B. CROWSON /Nl/ENTOPS 6. A. LOC/(E R. R. MACLAUGHL/N BV y ATTO@ Q @UQ April 4, 1961 F. B. cRowsoN ETAL 2,978,534

PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed Sept. ll, 1958 146 Sheets-Sheet 9 f.' a. c/aowso/v /NVE/VTORSG, ,4, LOCKE @y n. R. MAcLAuaHL//v fa..- M

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April 4, 1961 F. B. CROWSON ETAL PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed Sept. 11. 1958 146 Sheets-Sheet 10 J MARKTNG on sPAcING PULSES CHARACTER l2 3 4 5 A OOo B O 0 OO C OOOO D O o O E3 O o F O GOO G O0 OO H cO O I8 OOO J O-Oo O K OOoOO L O0 O M cOOO N ooo o9 o Oo p0 OOO O Ol OOOO O S O oO U 7 OOOO' W2 OOO O X O OOOO y e o oo o Z O 0 O \\.BLANK O \V LETTERs OO o OOO )snee o0 ELTNEFEED oo cARRIAGE RETURN o O AHsuREs OOO OO FB.CROW$0N R. 1'?.l MACLAUGHL/N Apnl 4, 1901 F. B. cRowsoN ETAL 2,978,534

PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed Sept. 1l, 1958 146 Sheets-Sheet 11 April 4, 1961 F. B. cRowsoN ETAL 2.978.534

PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed Sept. l1, 1958 146 Sheets-Sheet 12 April 4, 1951 F. B. cRowsoN Erm. 2,978,534

PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed Sept. l1, 1958 146 Sheets-Sheet 15A ATTOR/V April 4, 1961 F. B. cRowsoN ETAL 2.978.534

PRINTING TELEGRAPH AUTOMATIC swITCHING SYSTEM Filed Sept. 11. 1958 146 Sheets-Sheet 14.

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PRINTING TELEGRAPH AUTOMATIC swITcHING SYSTEM Filed sept. 11,' 195s 146 Sheets-Sheet 15 Qm Ok@ A prl 4, 1961 F. B. cRowsoN ETAL 2,978,534

PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed sept. 11, 195e -146 sheets-sheet 1e April 4, 1961 F. B. cRowsoN ETAL 2,978,534

PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed sept. 11. 195e 14s sheets-sheet 1v April 4, 1961 F. B. cRowsoN ETAL 2,978,534

PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed Sept. 1l, 1958 146 Sheets-Sheet 18 E B. C ROWSON LOC/(E /Nl/E/VTORS G. A

April 4, 1961 F. B. cRowsoN ETAL 2,978,534

PRINTING TELEGRAPI-I AUTOMATIC SWITCHING SYSTEM Filed Sept. l1, 1958 146 Sheets-Sheet 19 F. B. CROWSON /Nl/ENTORS G. A. LOC/(E By n. n. MAC LAUGH/.nv

ATTOR EV April 4, 1961 F. B. cRowsoN Erm. 2,978,534

PRINTING TELEGRAPH AUTOMATIC SWITCHING SYSTEM Filed Sept. l1. 1958 SE N QE u was w XGL Ymuk 

